a general profile, United States-1968 Koch, Hugo K. creator author. National Center for Health Statistics (U.S.) issuing body. text bibliography Statistics. Statistics. mdu 1972 monographic eng 1 online resource (iv, 61 pages) : illustrations. Hugo K. Koch. "December 1972." "Statistics are presented on selected demographic and professional characteristics of active and inactive ophthalmologists. The data were collected by the National Center for Health Statistics in cooperation with the U.S. Bureau of the Census from ophthalmologists in all 50 States and the District of Columbia. Ophthalmologists are statistically described in terms of general characteristics (ages, sex, geographic distribution, board certification, and whether doctors of medicine or of osteopathy); and by selected features of their professional activity, namely, number of States licensed in, principal type of employment, volume of activity, and clinical and nonclinical functions engaged in." CRDP Program record. Includes bibliographical references (page 18). n-us--- Ophthalmologists United States Statistics Ophthalmology United States Statistics Ophthalmologists United States HE 20.2210:14/15 HE 20.6209:14/5 HE 20.2210:14/15 HE 20.6209:14/5 Koch, Hugo K. (DLC) 75190015 (OCoLC)969044299 Series 14 Data from the national health survey 75190015 https://purl.fdlp.gov/GPO/gpo114787 https://purl.fdlp.gov/GPO/gpo114787 SXT 110407 20190831131641.0 on1015669962 eng